Home / 926,439.20-1,389,658.80-883,136.60

Finding the Fourth Proportional to 926,439.20, 1,389,658.80 and 883,136.60

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Solution

The fourth proportional to 926,439.20, 1,389,658.80 and 883,136.60 is: 1,324,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,439.20 : 1,389,658.80 = 883,136.60 : x
  2. Step 2: Convert to fraction form
    926,439.20/1,389,658.80 = 883,136.60/x
  3. Step 3: Cross multiply
    926,439.20x = 1,389,658.80 × 883,136.60
  4. Step 4: Simplify right side
    926,439.20x = 1,227,258,547,792.08
  5. Step 5: Solve for x
    x = 1,227,258,547,792.08/926,439.20
  6. Step 6: Final answer
    x = 1,324,704.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.